Optical lens



FIG. 1 is a perspective view of an optical lens showing our new design.

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image of FIG. 2.

FIG. 3 is a left-side, elevational view thereof, the right-side, elevational view being a mirror image of FIG. 3.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a cross-sectional view thereof, taken along line VI—VI of FIG. 4. 

The ornamental design for an optical lens, as shown and described. 